The black stripes are for the beauty of the mitzvah and to commemorate the mitzvah of techeles. See also: https://asktherav.com/19432-19447-is-there-an-issue-with-having-a-black-tallis-gadol/ Sources: ראה בכ״ז: לקט יושר הל׳ ציצית…
The black stripes are for the beauty of the mitzvah and to commemorate the mitzvah of techeles. See also: https://asktherav.com/19432-19447-is-there-an-issue-with-having-a-black-tallis-gadol/ Sources: ראה בכ״ז: לקט יושר הל׳ ציצית…